From patchwork Thu Nov 7 08:32:08 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 11232175 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B9D90139A for ; Thu, 7 Nov 2019 08:37:18 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A1A8A21D79 for ; Thu, 7 Nov 2019 08:37:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A1A8A21D79 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bp.renesas.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=cip-dev-bounces@lists.cip-project.org Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id 5F98EDB7; Thu, 7 Nov 2019 08:35:18 +0000 (UTC) X-Original-To: cip-dev@lists.cip-project.org Delivered-To: cip-dev@mail.linuxfoundation.org Received: from smtp2.linuxfoundation.org (smtp2.linux-foundation.org [172.17.192.36]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 68894DB7 for ; Thu, 7 Nov 2019 08:35:17 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by smtp2.linuxfoundation.org (Postfix) with ESMTP id 2FF6C1DD19 for ; Thu, 7 Nov 2019 08:35:16 +0000 (UTC) X-IronPort-AV: E=Sophos;i="5.68,277,1569250800"; d="scan'208";a="30860913" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie6.idc.renesas.com with ESMTP; 07 Nov 2019 17:35:15 +0900 Received: from be1yocto.ree.adwin.renesas.com (unknown [172.29.43.62]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 8100341E8B90; Thu, 7 Nov 2019 17:35:14 +0900 (JST) From: Biju Das To: cip-dev@lists.cip-project.org, Nobuhiro Iwamatsu , Pavel Machek Date: Thu, 7 Nov 2019 08:32:08 +0000 Message-Id: <1573115572-13513-40-git-send-email-biju.das@bp.renesas.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1573115572-13513-1-git-send-email-biju.das@bp.renesas.com> References: <1573115572-13513-1-git-send-email-biju.das@bp.renesas.com> X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp2.linux-foundation.org Cc: Biju Das Subject: [cip-dev] [PATCH 4.4.y-cip 39/83] mmc: tmio: Add hw reset support X-BeenThere: cip-dev@lists.cip-project.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: cip-dev-bounces@lists.cip-project.org Errors-To: cip-dev-bounces@lists.cip-project.org From: Ai Kyuse commit e8f36b5d3b54a49df02c950050659a5082e2c880 upstream. Add hw reset support. Signed-off-by: Ai Kyuse Signed-off-by: Simon Horman Acked-by: Wolfram Sang Tested-by: Wolfram Sang Signed-off-by: Ulf Hansson Signed-off-by: Biju Das --- drivers/mmc/host/tmio_mmc.h | 1 + drivers/mmc/host/tmio_mmc_pio.c | 9 +++++++++ 2 files changed, 10 insertions(+) diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h index d3d24e1..8b4869e 100644 --- a/drivers/mmc/host/tmio_mmc.h +++ b/drivers/mmc/host/tmio_mmc.h @@ -167,6 +167,7 @@ struct tmio_mmc_host { int (*start_signal_voltage_switch)(struct mmc_host *mmc, struct mmc_ios *ios); int (*write16_hook)(struct tmio_mmc_host *host, int addr); + void (*hw_reset)(struct tmio_mmc_host *host); }; struct tmio_mmc_host *tmio_mmc_host_alloc(struct platform_device *pdev); diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c index c255af8..4bb0553 100644 --- a/drivers/mmc/host/tmio_mmc_pio.c +++ b/drivers/mmc/host/tmio_mmc_pio.c @@ -792,6 +792,14 @@ static int tmio_mmc_start_data(struct tmio_mmc_host *host, return 0; } +static void tmio_mmc_hw_reset(struct mmc_host *mmc) +{ + struct tmio_mmc_host *host = mmc_priv(mmc); + + if (host->hw_reset) + host->hw_reset(host); +} + /* Process requests from the MMC layer */ static void tmio_mmc_request(struct mmc_host *mmc, struct mmc_request *mrq) { @@ -1008,6 +1016,7 @@ static struct mmc_host_ops tmio_mmc_ops = { .get_cd = mmc_gpio_get_cd, .enable_sdio_irq = tmio_mmc_enable_sdio_irq, .multi_io_quirk = tmio_multi_io_quirk, + .hw_reset = tmio_mmc_hw_reset, }; static int tmio_mmc_init_ocr(struct tmio_mmc_host *host)